Water treatment plant with clarifier and peripheral filter

Details Water treatment plant with clarifier and peripheral filter Water treatment plant with clarifier and peripheral filter

Filed on

1997-10-28

Date issued

1998-09-08

Examiner

Popovics, Robert

Patent Class

Liquid purification or separation

SubClass

With alarm, indicator, register, recorder, signal or...

SubSubClass

Material level or thickness responsive

Other Related Categories

210 95, 210108, 210109, 210202, 210207, 210220, 210256, 210264, 210265, 210290, 210304, 21033301, 2103331, 210340, 210341, 2105121, 210521, 210522, 210525, 2105321, 210540, B01D 2102

Type

Patent

Status

active

Patent number

058040625

Description

ABSTRACT:
Apparatus for treating a liquid containing suspended solids comprising a clarifying vessel and a number of filters positioned around the periphery of the clarifying vessel for receiving and filtering liquid from the clarifier. A filter may be backwashed by isolating that filter, filling the other filter cells with clarified liquid and draining them into the isolated cell to remove filter media contaminants.

REFERENCES:
patent: 2129181 (1938-09-01), Morse
patent: 2878935 (1959-03-01), Magrath et al.
patent: 2878939 (1959-03-01), Aldrich
patent: 2888144 (1959-05-01), Aldrich
patent: 2901114 (1959-08-01), Smith et al.
patent: 3118834 (1964-01-01), Southworth et al.
patent: 3214021 (1965-10-01), Applebaum
patent: 4146471 (1979-03-01), Wyness
patent: 4464255 (1984-08-01), Ueda
patent: 4614596 (1986-09-01), Wyness
patent: 4629565 (1986-12-01), Hell et al.
patent: 4765891 (1988-08-01), Wyness
patent: 4790935 (1988-12-01), Johnson
patent: 5124049 (1992-06-01), Maness
patent: 5306422 (1994-04-01), Krofta
patent: 5320750 (1994-06-01), Krofta

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